APA (7th ed.) Citation

Langer, W. L. (1977). European alliances and alignments: 1871 - 1890 (Reprinted [der Ausg. 1931].). Greenwood Press.

Chicago Style (17th ed.) Citation

Langer, William L. European Alliances and Alignments: 1871 - 1890. Reprinted [der Ausg. 1931]. Westport, Conn: Greenwood Press, 1977.

MLA (9th ed.) Citation

Langer, William L. European Alliances and Alignments: 1871 - 1890. Reprinted [der Ausg. 1931]. Greenwood Press, 1977.